Home / 80,585.62-111,210.14-44,286.79

Finding the Fourth Proportional to 80,585.62, 111,210.14 and 44,286.79

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Solution

The fourth proportional to 80,585.62, 111,210.14 and 44,286.79 is: 61,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585.62 : 111,210.14 = 44,286.79 : x
  2. Step 2: Convert to fraction form
    80,585.62/111,210.14 = 44,286.79/x
  3. Step 3: Cross multiply
    80,585.62x = 111,210.14 × 44,286.79
  4. Step 4: Simplify right side
    80,585.62x = 4,925,140,116.05
  5. Step 5: Solve for x
    x = 4,925,140,116.05/80,585.62
  6. Step 6: Final answer
    x = 61,116.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.